//===-- Interpreter.h - Abstract Execution Engine Interface -----*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file forces the interpreter to link in on certain operating systems. // (Windows). // //===----------------------------------------------------------------------===// #ifndef EXECUTION_ENGINE_INTERPRETER_H #define EXECUTION_ENGINE_INTERPRETER_H #include "llvm/ExecutionEngine/ExecutionEngine.h" #include <cstdlib> extern "C" void LLVMLinkInInterpreter(); namespace { struct ForceInterpreterLinking { ForceInterpreterLinking() { // We must reference the passes in such a way that compilers will not // delete it all as dead code, even with whole program optimization, // yet is effectively a NO-OP. As the compiler isn't smart enough // to know that getenv() never returns -1, this will do the job. if (std::getenv("bar") != (char*) -1) return; LLVMLinkInInterpreter(); } } ForceInterpreterLinking; } #endif